import HashMap from '@ohos.util.HashMap';

// mime types map
let MAP = {
    'application/andrew-inset': ['ez'],
    'application/applixware': ['aw'],
    'application/atom+xml': ['atom'],
    'application/atomcat+xml': ['atomcat'],
    'application/atomdeleted+xml': ['atomdeleted'],
    'application/atomsvc+xml': ['atomsvc'],
    'application/atsc-dwd+xml': ['dwd'],
    'application/atsc-held+xml': ['held'],
    'application/atsc-rsat+xml': ['rsat'],
    'application/bdoc': ['bdoc'],
    'application/calendar+xml': ['xcs'],
    'application/ccxml+xml': ['ccxml'],
    'application/cdfx+xml': ['cdfx'],
    'application/cdmi-capability': ['cdmia'],
    'application/cdmi-container': ['cdmic'],
    'application/cdmi-domain': ['cdmid'],
    'application/cdmi-object': ['cdmio'],
    'application/cdmi-queue': ['cdmiq'],
    'application/cpl+xml': ['cpl'],
    'application/cu-seeme': ['cu'],
    'application/dash+xml': ['mpd'],
    'application/dash-patch+xml': ['mpp'],
    'application/davmount+xml': ['davmount'],
    'application/docbook+xml': ['dbk'],
    'application/dssc+der': ['dssc'],
    'application/dssc+xml': ['xdssc'],
    'application/ecmascript': ['es', 'ecma'],
    'application/emma+xml': ['emma'],
    'application/emotionml+xml': ['emotionml'],
    'application/epub+zip': ['epub'],
    'application/exi': ['exi'],
    'application/express': ['exp'],
    'application/fdt+xml': ['fdt'],
    'application/font-tdpfr': ['pfr'],
    'application/geo+json': ['geojson'],
    'application/gml+xml': ['gml'],
    'application/gpx+xml': ['gpx'],
    'application/gxf': ['gxf'],
    'application/gzip': ['gz'],
    'application/hjson': ['hjson'],
    'application/hyperstudio': ['stk'],
    'application/inkml+xml': ['ink', 'inkml'],
    'application/ipfix': ['ipfix'],
    'application/its+xml': ['its'],
    'application/java-archive': ['jar', 'war', 'ear'],
    'application/java-serialized-object': ['ser'],
    'application/java-vm': ['class'],
    'application/javascript': ['js', 'mjs'],
    'application/json': ['json', 'map'],
    'application/json5': ['json5'],
    'application/jsonml+json': ['jsonml'],
    'application/ld+json': ['jsonld'],
    'application/lgr+xml': ['lgr'],
    'application/lost+xml': ['lostxml'],
    'application/mac-binhex40': ['hqx'],
    'application/mac-compactpro': ['cpt'],
    'application/mads+xml': ['mads'],
    'application/manifest+json': ['webmanifest'],
    'application/marc': ['mrc'],
    'application/marcxml+xml': ['mrcx'],
    'application/mathematica': ['ma', 'nb', 'mb'],
    'application/mathml+xml': ['mathml'],
    'application/mbox': ['mbox'],
    'application/media-policy-dataset+xml': ['mpf'],
    'application/mediaservercontrol+xml': ['mscml'],
    'application/metalink+xml': ['metalink'],
    'application/metalink4+xml': ['meta4'],
    'application/mets+xml': ['mets'],
    'application/mmt-aei+xml': ['maei'],
    'application/mmt-usd+xml': ['musd'],
    'application/mods+xml': ['mods'],
    'application/mp21': ['m21', 'mp21'],
    'application/mp4': ['mp4s', 'm4p'],
    'application/msword': ['doc', 'dot'],
    'application/mxf': ['mxf'],
    'application/n-quads': ['nq'],
    'application/n-triples': ['nt'],
    'application/node': ['cjs'],
    'application/octet-stream': [
        'bin',
        'dms',
        'lrf',
        'mar',
        'so',
        'dist',
        'distz',
        'pkg',
        'bpk',
        'dump',
        'elc',
        'deploy',
        'exe',
        'dll',
        'deb',
        'dmg',
        'iso',
        'img',
        'msi',
        'msp',
        'msm',
        'buffer',
    ],
    'application/oda': ['oda'],
    'application/oebps-package+xml': ['opf'],
    'application/ogg': ['ogx'],
    'application/omdoc+xml': ['omdoc'],
    'application/onenote': ['onetoc', 'onetoc2', 'onetmp', 'onepkg'],
    'application/oxps': ['oxps'],
    'application/p2p-overlay+xml': ['relo'],
    'application/patch-ops-error+xml': ['xer'],
    'application/pdf': ['pdf'],
    'application/pgp-encrypted': ['pgp'],
    'application/pgp-keys': ['asc'],
    'application/pgp-signature': ['asc', 'sig'],
    'application/pics-rules': ['prf'],
    'application/pkcs10': ['p10'],
    'application/pkcs7-mime': ['p7m', 'p7c'],
    'application/pkcs7-signature': ['p7s'],
    'application/pkcs8': ['p8'],
    'application/pkix-attr-cert': ['ac'],
    'application/pkix-cert': ['cer'],
    'application/pkix-crl': ['crl'],
    'application/pkix-pkipath': ['pkipath'],
    'application/pkixcmp': ['pki'],
    'application/pls+xml': ['pls'],
    'application/postscript': ['ai', 'eps', 'ps'],
    'application/provenance+xml': ['provx'],
    'application/pskc+xml': ['pskcxml'],
    'application/raml+yaml': ['raml'],
    'application/rdf+xml': ['rdf', 'owl'],
    'application/reginfo+xml': ['rif'],
    'application/relax-ng-compact-syntax': ['rnc'],
    'application/resource-lists+xml': ['rl'],
    'application/resource-lists-diff+xml': ['rld'],
    'application/rls-services+xml': ['rs'],
    'application/route-apd+xml': ['rapd'],
    'application/route-s-tsid+xml': ['sls'],
    'application/route-usd+xml': ['rusd'],
    'application/rpki-ghostbusters': ['gbr'],
    'application/rpki-manifest': ['mft'],
    'application/rpki-roa': ['roa'],
    'application/rsd+xml': ['rsd'],
    'application/rss+xml': ['rss'],
    'application/rtf': ['rtf'],
    'application/sbml+xml': ['sbml'],
    'application/scvp-cv-request': ['scq'],
    'application/scvp-cv-response': ['scs'],
    'application/scvp-vp-request': ['spq'],
    'application/scvp-vp-response': ['spp'],
    'application/sdp': ['sdp'],
    'application/senml+xml': ['senmlx'],
    'application/sensml+xml': ['sensmlx'],
    'application/set-payment-initiation': ['setpay'],
    'application/set-registration-initiation': ['setreg'],
    'application/shf+xml': ['shf'],
    'application/sieve': ['siv', 'sieve'],
    'application/smil+xml': ['smi', 'smil'],
    'application/sparql-query': ['rq'],
    'application/sparql-results+xml': ['srx'],
    'application/srgs': ['gram'],
    'application/srgs+xml': ['grxml'],
    'application/sru+xml': ['sru'],
    'application/ssdl+xml': ['ssdl'],
    'application/ssml+xml': ['ssml'],
    'application/swid+xml': ['swidtag'],
    'application/tei+xml': ['tei', 'teicorpus'],
    'application/thraud+xml': ['tfi'],
    'application/timestamped-data': ['tsd'],
    'application/toml': ['toml'],
    'application/trig': ['trig'],
    'application/ttml+xml': ['ttml'],
    'application/ubjson': ['ubj'],
    'application/urc-ressheet+xml': ['rsheet'],
    'application/urc-targetdesc+xml': ['td'],
    'application/voicexml+xml': ['vxml'],
    'application/wasm': ['wasm'],
    'application/watcherinfo+xml': ['wif'],
    'application/widget': ['wgt'],
    'application/winhlp': ['hlp'],
    'application/wsdl+xml': ['wsdl'],
    'application/wspolicy+xml': ['wspolicy'],
    'application/xaml+xml': ['xaml'],
    'application/xcap-att+xml': ['xav'],
    'application/xcap-caps+xml': ['xca'],
    'application/xcap-diff+xml': ['xdf'],
    'application/xcap-el+xml': ['xel'],
    'application/xcap-ns+xml': ['xns'],
    'application/xenc+xml': ['xenc'],
    'application/xhtml+xml': ['xhtml', 'xht'],
    'application/xliff+xml': ['xlf'],
    'application/xml': ['xml', 'xsl', 'xsd', 'rng'],
    'application/xml-dtd': ['dtd'],
    'application/xop+xml': ['xop'],
    'application/xproc+xml': ['xpl'],
    'application/xslt+xml': ['xsl', 'xslt'],
    'application/xspf+xml': ['xspf'],
    'application/xv+xml': ['mxml', 'xhvml', 'xvml', 'xvm'],
    'application/yang': ['yang'],
    'application/yin+xml': ['yin'],
    'application/zip': ['zip'],
    'audio/3gpp': ['3gpp'],
    'audio/adpcm': ['adp'],
    'audio/amr': ['amr'],
    'audio/basic': ['au', 'snd'],
    'audio/midi': ['mid', 'midi', 'kar', 'rmi'],
    'audio/mobile-xmf': ['mxmf'],
    'audio/mp3': ['mp3'],
    'audio/mp4': ['m4a', 'mp4a'],
    'audio/mpeg': ['mpga', 'mp2', 'mp2a', 'mp3', 'm2a', 'm3a'],
    'audio/ogg': ['oga', 'ogg', 'spx', 'opus'],
    'audio/s3m': ['s3m'],
    'audio/silk': ['sil'],
    'audio/wav': ['wav'],
    'audio/wave': ['wav'],
    'audio/webm': ['weba'],
    'audio/xm': ['xm'],
    'font/collection': ['ttc'],
    'font/otf': ['otf'],
    'font/ttf': ['ttf'],
    'font/woff': ['woff'],
    'font/woff2': ['woff2'],
    'image/aces': ['exr'],
    'image/apng': ['apng'],
    'image/avci': ['avci'],
    'image/avcs': ['avcs'],
    'image/avif': ['avif'],
    'image/bmp': ['bmp'],
    'image/cgm': ['cgm'],
    'image/dicom-rle': ['drle'],
    'image/emf': ['emf'],
    'image/fits': ['fits'],
    'image/g3fax': ['g3'],
    'image/gif': ['gif'],
    'image/heic': ['heic'],
    'image/heic-sequence': ['heics'],
    'image/heif': ['heif'],
    'image/heif-sequence': ['heifs'],
    'image/hej2k': ['hej2'],
    'image/hsj2': ['hsj2'],
    'image/ief': ['ief'],
    'image/jls': ['jls'],
    'image/jp2': ['jp2', 'jpg2'],
    'image/jpeg': ['jpeg', 'jpg', 'jpe'],
    'image/jph': ['jph'],
    'image/jphc': ['jhc'],
    'image/jpm': ['jpm'],
    'image/jpx': ['jpx', 'jpf'],
    'image/jxr': ['jxr'],
    'image/jxra': ['jxra'],
    'image/jxrs': ['jxrs'],
    'image/jxs': ['jxs'],
    'image/jxsc': ['jxsc'],
    'image/jxsi': ['jxsi'],
    'image/jxss': ['jxss'],
    'image/ktx': ['ktx'],
    'image/ktx2': ['ktx2'],
    'image/png': ['png'],
    'image/sgi': ['sgi'],
    'image/svg+xml': ['svg', 'svgz'],
    'image/t38': ['t38'],
    'image/tiff': ['tif', 'tiff'],
    'image/tiff-fx': ['tfx'],
    'image/webp': ['webp'],
    'image/wmf': ['wmf'],
    'message/disposition-notification': ['disposition-notification'],
    'message/global': ['u8msg'],
    'message/global-delivery-status': ['u8dsn'],
    'message/global-disposition-notification': ['u8mdn'],
    'message/global-headers': ['u8hdr'],
    'message/rfc822': ['eml', 'mime'],
    'model/3mf': ['3mf'],
    'model/gltf+json': ['gltf'],
    'model/gltf-binary': ['glb'],
    'model/iges': ['igs', 'iges'],
    'model/mesh': ['msh', 'mesh', 'silo'],
    'model/mtl': ['mtl'],
    'model/obj': ['obj'],
    'model/step+xml': ['stpx'],
    'model/step+zip': ['stpz'],
    'model/step-xml+zip': ['stpxz'],
    'model/stl': ['stl'],
    'model/vrml': ['wrl', 'vrml'],
    'model/x3d+binary': ['x3db', 'x3dbz'],
    'model/x3d+fastinfoset': ['x3db'],
    'model/x3d+vrml': ['x3dv', 'x3dvz'],
    'model/x3d+xml': ['x3d', 'x3dz'],
    'model/x3d-vrml': ['x3dv'],
    'text/cache-manifest': ['appcache', 'manifest'],
    'text/calendar': ['ics', 'ifb'],
    'text/coffeescript': ['coffee', 'litcoffee'],
    'text/css': ['css'],
    'text/csv': ['csv'],
    'text/html': ['html', 'htm', 'shtml'],
    'text/jade': ['jade'],
    'text/jsx': ['jsx'],
    'text/less': ['less'],
    'text/markdown': ['markdown', 'md'],
    'text/mathml': ['mml'],
    'text/mdx': ['mdx'],
    'text/n3': ['n3'],
    'text/plain': ['txt', 'text', 'conf', 'def', 'list', 'log', 'in', 'ini'],
    'text/richtext': ['rtx'],
    'text/rtf': ['rtf'],
    'text/sgml': ['sgml', 'sgm'],
    'text/shex': ['shex'],
    'text/slim': ['slim', 'slm'],
    'text/spdx': ['spdx'],
    'text/stylus': ['stylus', 'styl'],
    'text/tab-separated-values': ['tsv'],
    'text/troff': ['t', 'tr', 'roff', 'man', 'me', 'ms'],
    'text/turtle': ['ttl'],
    'text/uri-list': ['uri', 'uris', 'urls'],
    'text/vcard': ['vcard'],
    'text/vtt': ['vtt'],
    'text/xml': ['xml'],
    'text/yaml': ['yaml', 'yml'],
    'video/3gpp': ['3gp', '3gpp'],
    'video/3gpp2': ['3g2'],
    'video/h261': ['h261'],
    'video/h263': ['h263'],
    'video/h264': ['h264'],
    'video/iso.segment': ['m4s'],
    'video/jpeg': ['jpgv'],
    'video/jpm': ['jpm', 'jpgm'],
    'video/mj2': ['mj2', 'mjp2'],
    'video/mp2t': ['ts'],
    'video/mp4': ['mp4', 'mp4v', 'mpg4'],
    'video/mpeg': ['mpeg', 'mpg', 'mpe', 'm1v', 'm2v'],
    'video/ogg': ['ogv'],
    'video/quicktime': ['qt', 'mov'],
    'video/webm': ['webm'],
};

const MIME_TYPE_MAP = new HashMap<string, string[]>();
Object.keys(MAP).forEach((key) => {
    MIME_TYPE_MAP.set(key, MAP[key]);
})
MAP = null;

/**
 * MimeType工具类
 */
export class MimeTypeMap {
    private constructor() {
    }

    /**
     * 根据MimeType获取后缀名
     * @param type
     */
    static getExtensionFromMimeType(type: string): string {
        type = /^\s*([^;\s]*)/.test(type) && RegExp.$1;
        return type && MIME_TYPE_MAP.get(type.toLowerCase())[0] || null;
    }

    /**
     * 根据MimeType获取所有的后缀名
     * @param type
     */
    static getExtensions(type: string): string[] {
        if (type) {
            return MIME_TYPE_MAP.get(type.toLowerCase());
        }
        return null;
    }

    /**
     * 根据后缀名获取MimeType
     * @param path
     */
    static getMimeTypeFromExtension(path: string): string {
        if (path) {
            path = path.toLowerCase();
            for (let entry of MIME_TYPE_MAP.entries()) {
                if (entry[1].indexOf(path)) {
                    return entry[0];
                }
            }
        }
        return null;
    }
}